Ethan Welty

Ethan Welty

INSTAAR Affiliate

  • Photographer, Ethan Welty Photography
  • Researcher, CU Boulder

Departments / Academic Programs


  • Ph.D. in Environmental Studies: University of Colorado, 2018
  • B.S. in Physics & B.S. in Applied Math: University of Washington, 2007

Research Programs, Labs, and Groups

Contact Information

Institute of Arctic and Alpine Research
4001 Discovery Dr.
Boulder, CO 80303
(Field) 1 206 853-3712


Tidewater glacier dynamics, geographic information systems (GIS), photography, photogrammetry, computer vision.

Research Interests

My glaciological interests include extracting high-resolution time series of tidewater glacier dynamics from time-lapse photographs, harnessing crowdsourcing platforms to tackle difficult-to-automate image processing needs, and evaluating internet photo collections as records of subtle landscape changes.


Born in the '80s. Raised in France. Earned degrees in physics and mathematical biology at the University of Washington while working as photo editor and photographer for the school's daily newspaper. Snorkeled northwest rivers and mapped fish distributions for the US Geological Survey. Now I study tidewater glacier dynamics in the Arctic with time-lapse photography and photogrammetry at the University of Colorado. I climb mountains, play classical guitar, dabble in fermented foods (and beverages), commute by bike, and forage for fruit. I walk, talk, eat, and photograph my way across continents.


  • Data Stewardship Award, World Data System, 2020
  • Graduate Scholarship, American Society for Photogrammetry and Remote Sensing, 2012
  • Green Fund Scholarship, University of Colorado, 2011
  • College Scholarship, North American Nature Photography Association, 2010